1007results about How to "Guarantee the construction quality" patented technology

The invention provides an anchor rod with a barb structure and a construction method.The anchor rod comprises a hollow anchor rod body, a core rod arranged in the anchor rod body and a barb part arranged on the outer side of the anchor rod body, and the length direction of the core rod is the same as that of the anchor rod body; the multiple barb parts are arranged in the length direction of the anchor rod body at intervals, a plurality of barb pieces are arranged on each barb part at intervals, and the barb pieces are obliquely arranged on the anchor rod body. And barb pieces are arranged at the positions, corresponding to the barb parts, of the core rod. According to the anchor rod with the barb structure and the construction method, the core rod is arranged in the hollow anchor rod body, and the barb pieces and the barb pieces are matched to form a special composite stress form, so that the overall pulling resistance of the anchor rod is effectively improved, the construction cost is reduced, and the construction period is shortened; and as the designed length of the anchor rod is obviously shortened, disturbance to the surrounding environment is reduced, and pollution to the environment is reduced.

The invention discloses a rural house structure optimization design method and system based on building information modeling, and relates to the technical field of building structure analysis design, and the method comprises the steps: obtaining geographical climate data, building user demand data and construction condition data of a to-be-built rural house; determining a house design variable set according to the acquired data; randomly generating an initial solution according to the value range of each variable parameter in the house design variables to construct an initial population; performing individual optimization on the initial population by using a genetic algorithm, screening individuals according to fitness, performing iterative genetic evolution operation including crossover and variation, and finally determining an optimal individual; and inputting target values of various variable parameters indicated by the optimal individual into a BIM construction module to determine a target BIM model for the rural house. Therefore, genetic algorithm optimization and a BIM modeling technology are organically fused, and the structural safety, the economical efficiency, the construction efficiency and the intelligent level of rural house design are improved.

The invention discloses a soft foundation treatment method under the condition of reinforced flow-state muddy soft soil. According to the intelligent soft foundation treatment method, an intelligent monitoring and control system is introduced, the whole soft foundation treatment method achieves accurate monitoring and automatic adjustment of the construction process, and remarkable beneficial effects are achieved. Firstly, key parameters such as pore water pressure, soil deformation and underground water level are monitored in real time, so that engineers can quickly respond to changes of soil properties and timely adjust preloading load and vacuum degree, construction efficiency is optimized, and unnecessary construction period delay is reduced. And secondly, due to automatic data acquisition and processing, the accuracy and speed of data processing are greatly improved, personal errors are reduced, and the construction quality is ensured. In addition, the intelligent system can give out early warning in time when potential risks are found, construction safety is guaranteed, and the possibility of accidents is reduced.

The invention relates to the technical field of curtain wall construction, in particular to a connecting device of a high-rise facade arc-shaped glass curtain wall. Comprising a fixing frame installed on a building, an adjusting assembly is arranged between the fixing frame and the building, an embedded part is fixedly arranged on the building, the fixing frame is fixedly connected with a connecting base corresponding to the embedded part, the connecting base is fixedly connected with the embedded part, and the adjusting assembly is fixedly connected with the embedded part. A glass curtain wall preassembling assembly is installed in the fixing frame, and a sealing assembly is arranged between the fixing frame and the glass curtain wall preassembling assembly. Through the construction mode of preassembling and on-site installation, the operation difficulty can be reduced, the working time is shortened, the safety risk of working high above the ground is reduced, sealing connection can be automatically formed between the fixing frame and the glass curtain wall preassembling assembly through the sealing assembly, and the sealing efficiency is improved. The arc-shaped glass curtain wall of the high-rise outer vertical face can be safely and reliably installed and constructed.

The invention discloses an adjusting and mounting system for a hyperbolic single curved arc-shaped suspended ceiling and a construction method thereof.The adjusting and mounting system comprises a roof main steel structure, a transfer layer structure and a hyperbolic suspended ceiling, and the transfer layer structure comprises a hanging steel frame, a forward adjusting main keel, a hanging auxiliary keel, a keel posture adjusting assembly and a suspended ceiling hanging adjusting assembly; the two ends of the adjacent keel sections and the bottom ends of the hanging rods are adjustably connected through the keel posture adjusting assemblies, the suspended ceiling hanging adjusting assemblies are longitudinally arranged corresponding to the hanging secondary keels, the suspended ceiling hanging adjusting assemblies are transversely arranged corresponding to the suspended ceiling plate sections, and the tops of the suspended ceiling hanging adjusting assemblies are connected to the corresponding hanging secondary keels in a buckled mode. According to the method, the equal-plate unequal-joint mode is adopted, the width of the suspended ceiling plate is a fixed value, the hyperboloid is adjusted by controlling the posture of the suspended ceiling plate and the width of the plate joint, variable cross-section welding machining does not need to be conducted on the arc-shaped suspended ceiling plate, the overall hyperboloid curvature of the arc-shaped hyperboloid suspended ceiling is guaranteed, batch production is conducted on the plate, and the construction quality is guaranteed.

The invention provides a structure capable of controlling a large-volume water gate crack and a construction method thereof, and belongs to the technical field of water gates. The structure comprises a gate bottom plate and a gate pier which are formed by pouring concrete, and the gate pier is arranged above the gate bottom plate; hole cavities are at least formed in the gate piers and reserved in the concrete pouring process. The hole cavity is used as a self-constrained stress hole; and the tough material is used for absorbing stress, is filled in the pore cavity and is connected with the inner wall of the pore cavity. The method comprises the steps of S1, construction preparation; s2, foundation treatment; s3, gate bottom plate construction; s4, gate pier construction: S41, construction lofting; s42, gate pier reinforcing steel bars are bound and installed; s43, a gate pier formwork is erected above the gate bottom plate; s44, a hole forming device is installed at the designed position; s45, concrete pouring, vibrating and curing are conducted; and S46, after initial setting of the concrete, the hole forming device is pulled out of the pipe, and a formed hole cavity is filled with a tough material. The sluice pier crack can be effectively controlled, and the use durability and safety of the sluice are improved.

The invention discloses a power grid construction subpackage management and control method based on big data, and the method comprises the following steps: collecting the data of a power grid construction site in real time, carrying out the preprocessing, and carrying out the storage through a distributed storage system; generating a comprehensive evaluation report by using the residual neural network and the graph convolutional network; adopting a particle swarm optimization algorithm to carry out subpackage provider selection and task allocation; predicting the construction progress through a long short-term memory network; performing image analysis on the video stream of the construction site by using a residual neural network and a single-time multi-frame detection algorithm; a Bayesian network and a multi-layer perceptron are used to predict construction risks, an isolated forest algorithm is used to carry out abnormal value detection on data, and a risk early warning report is generated and notified to related personnel. According to the invention, big data, deep learning and reinforcement learning technologies are fully combined, the power grid construction subpackage management and control method based on big data is described in detail, and the method has the advantages of high construction efficiency, accurate risk prediction and resource optimization.

The invention relates to the technical field of construction site risk identification, and particularly discloses an infrastructure line construction site environment risk identification system. The system is provided with a three-dimensional distance measurement risk grade determination module, a natural environment risk grade determination module, a construction state risk grade determination module, an environment risk initial evaluation grade determination module and a construction site environment risk judgment module. The problems that monitoring of the safety area and the safety distance of high-risk operation is low in precision, low in efficiency, greatly affected by the environment and difficult to meet the requirement of a modern infrastructure line construction site for safety management exist in the prior art are solved, the construction site can be dynamically monitored under different environments and construction conditions, and through a comprehensive and efficient risk identification and early warning system, the safety management efficiency is improved. The accident rate of a construction site can be reduced, and construction quality and project progress are guaranteed.

The invention discloses a mountain tunnel waterproof and drainage structure convenient to maintain and replace and a construction method.The waterproof and drainage structure comprises a primary support, a secondary lining, detachable water guiding and drainage structures and a tunnel bottom drainage structure, an annular groove is reserved in a secondary lining construction joint, and the water guiding and drainage structures are intensively arranged; the water guiding and draining structure comprises a water draining pipe, an annular water draining groove, a water-wave-proof steel pattern plate, a heat preservation material and a decorative plate which are sequentially arranged from outside to inside. The bottom drainage structure comprises transverse drainage ditches and a central drainage ditch. According to the tunnel waterproof and drainage structure, the underground water behind the tunnel lining is basically drained through the capacity of the water drainage pipe for actively reducing the underground water, the underground water is prevented from acting on the supporting structure, permeation of the underground water into the supporting structure is reduced, the construction method is simple and convenient, and the construction quality is easy to control; during tunnel operation and maintenance, desilting, maintenance and replacement are facilitated, and the durability of the tunnel is improved.

According to the earth-rock engineering model-based construction method based on three-dimensional laser scanning, airport earth-rock engineering is scanned based on the three-dimensional laser scanning technology, three-dimensional data of earth-rock is obtained, it is guaranteed that the obtained three-dimensional data can accurately reflect measurement data of the airport earth-rock engineering, and through the three-dimensional data based on the earth-rock engineering, the measurement data of the airport earth-rock engineering can be accurately reflected. The method comprises the following steps: establishing an earth-rock model by combining a BIM model, performing construction simulation in the earth-rock model based on construction requirements, determining target construction data according to a simulation result, ensuring the accuracy of the obtained target construction data, ensuring the construction progress and the construction quality, and finally constructing the airport earth-rock engineering according to the target construction data. And the target construction data is adjusted in real time based on the simulation construction result and the actual construction result of the earth-rock model, so that the real-time control and adjustment of the construction progress and quality are realized, and the construction progress and the construction quality are ensured.

The invention relates to the technical field of bridge construction, and provides a construction method of a cable-stayed-continuous cooperative system composite beam bridge, which does not need to arrange a large batch of prestressed corrugated pipes and steel beams to ensure the use performance of a bridge deck slab, fully utilizes the structural characteristics of the cable-stayed-continuous cooperative system composite beam bridge, and improves the construction efficiency of the cable-stayed-continuous cooperative system composite beam bridge. By changing the overlapping sequence of the continuous composite beam bridge deck slabs, it is guaranteed that the bridge deck slabs in the hogging moment area of the continuous composite beam do not generate tensile stress, the bridge deck slabs in the sagging moment area generate pressure stress reserve, and by increasing the tension stay cable force, the continuous composite beam moves upwards close to a side main beam of the cable-stayed bridge and moves downwards close to a side span side main beam; the bridge deck slab generates compressive stress, the steel main beam generates tensile stress, the compressive property of concrete materials and the tensile property of steel are fully played, the material utilization rate is increased, the compressive pre-stress of the bridge deck slab is completed through internal force distribution of the composite beam, the construction method is simple and operable, the structural stress is clear, and the reasonability and safety of the structural stress are guaranteed.

The invention provides concrete for an underground structure. The concrete is prepared from the following raw materials in parts by weight: 15-18 parts of cement, 3-5 parts of plant residue charcoal, 45-50 parts of fine aggregate, 50-55 parts of coarse aggregate, 8-10 parts of fly ash, 0.2-0.4 part of biogel, 1-2 parts of micron-sized calcium carbonate, 0.3-0.6 part of a water reducing agent and 10-15 parts of water. The invention further provides a preparation method of the concrete for the underground structure. According to the concrete for the underground structure, the segregation resistance and the crack resistance can be remarkably improved under the high free inclination and falling condition, and meanwhile the environment-friendly requirement of green buildings is met.

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The utility model provides a pile foundation concrete pouring over-pouring height measuring device which comprises an installation frame, a winding drum mechanism arranged on the installation frame, a coil spring arranged in the winding drum mechanism, a measuring rope with one end fixed and wound on the winding drum mechanism and a fixing piece connected with a reinforcement cage. The fixed part is arranged on the mounting frame, the floating ball mechanism is movably connected to the fixed part and connected with the other end of the measuring rope, the ratchet wheel is fixedly connected to the winding drum mechanism, and the alarm mechanism is arranged on the mounting frame and used for being matched with the ratchet wheel. The pile hole concrete surface ascends to push the floating ball mechanism to ascend, and then under the action of the coil spring, the winding drum measuring rope is driven to be shortened, the winding drum mechanism and the ratchet wheel are driven to rotate, so that the alarm mechanism matched with the ratchet wheel sends out a signal to remind constructors of the concrete pouring condition, and accurate control over the over-pouring height is achieved. Tediousness and uncertainty of manual judgment are avoided, and construction efficiency and construction quality of the pile foundation are effectively improved.

The invention discloses ultra-deep foundation pit concrete pouring equipment and a construction method thereof.The ultra-deep foundation pit concrete pouring equipment comprises a transfer hopper installed on a ring beam on the lower portion of an enclosure structure of an ultra-deep foundation pit, and the transfer hopper is connected to a pump pipe of a concrete automobile pump; one end of the material conveying hose is connected to the discharge hole of the transfer hopper; a bearing plate is formed on one side portion of a base on the enclosure structure, one end of the cantilever frame is rotatably connected to one side portion of the base, the bearing plate is supported at one end of the cantilever frame, and a locking piece is installed at one end of the cantilever frame; the driving structure comprises a plurality of electric winding drums and slings which are installed on the ring beam, the electric winding drums are connected to one ends of the slings respectively, the middles of the slings are wound around the other ends of the cantilever frames, and the other ends of the slings are connected to the middle and the other end of the conveying hose respectively. The problems that during deep foundation pit concrete pouring construction, when a concrete pump truck is adopted for pouring, the free falling height of concrete is large, and concrete segregation is likely to happen are solved.

The invention discloses a highway reconstruction and extension project asphalt pavement compaction quality accurate prediction algorithm, and the algorithm comprises the steps: collecting the rolling times, speed, track, temperature and vibration data of a road roller in real time according to an on-site intelligent device and a sensor, and carrying out the correlation analysis of the compaction degree data and corresponding information supervision key parameters; and an artificial neural network model is established, real-time prediction of the compaction degree by informatization supervision key parameters is realized, quality problems are found in time, and the construction quality is mastered in real time, so that shoveling and re-paving of completed parts in the later period are avoided, the pavement quality is ensured, and the construction period is shortened.

The invention discloses an ultra-thick backfill complex geological cast-in-place pile hole forming construction method, and particularly relates to the technical field of foundation pile foundation construction, and the method comprises the steps of S1, site leveling and pile position paying off, S2, 1.2 m drill bit rotary digging hole forming, S3, backfill tamping, S4, 1 m drill bit rotary digging pile machine hole forming, S5, hole cleaning, S6, reinforcement cage manufacturing and mounting, S7, guide pipe placing, S8, secondary hole cleaning and S9, pile body concrete pouring. According to the method, the super-thick backfill complex geology in-situ SDDC in-hole deep dynamic compaction and rotary excavating pile hole-forming construction technology is adopted, in a high-position backfill area, the SDDC in-hole deep dynamic compaction technology is used for forming a pile body cylindrical soil body with the diameter being 2-3 m and easy to form a hole in an original pile position, then the rotary excavating technology is used for forming a hole in a cylinder, the hole-forming quality of a pile foundation under the complex geology condition is guaranteed, and the construction efficiency is improved. The most suitable mechanical equipment can be reasonably selected for pile foundation equipment according to specific geological conditions, the construction cost can be reduced through the combined construction technology, and the pile foundation hole forming construction quality is guaranteed.

The invention relates to a glass fiber sleeve-underwater epoxy grouting material reinforced pile foundation construction method, pile foundation defect cleaning and glass fiber sleeve installation adopt a pull-up and support-down type liftable operation platform, can adapt to different height operation requirements, effectively improves the construction efficiency and safety, ensures the construction quality, and reduces the influence on the surrounding environment; a hoop pile foundation symmetrical underwater epoxy grouting material pouring device is adopted for pile foundation reinforcement, the bearing capacity and stability of a pile foundation are effectively improved, it is ensured that the pile foundation is kept stable under disturbance of water flow and waves through symmetrical underwater epoxy grouting material pouring, meanwhile, the cast-in-place workload is reduced, and the construction efficiency is improved; the hoop pile foundation hanging movable construction platform synchronous grouting pile side soil reinforcement technology is adopted, grouting is conducted through pile side guide hole pressure, the soil body bonding force and strength are effectively enhanced, the displacement difference is reduced, loads are more balanced and stable, and the pile foundation bearing capacity and stability are effectively improved.

The invention relates to the technical field of pile foundation construction quality monitoring, in particular to a real-time monitoring device and method for a pouring interface of an ultra-long cast-in-situ bored pile. Comprising a monitoring probe mechanism, a tension cable, a control holder, a display industrial personal computer and an alarm, the monitoring probe mechanism is placed in a bored hole of the cast-in-place pile, and the tension cable is electrically connected with the monitoring probe mechanism and the display industrial personal computer; the display industrial personal computer is located on the ground, and the monitoring probe mechanism uploads collected data to the display industrial personal computer on the ground in real time through a tension cable; high-precision real-time monitoring of the pouring interface of the super-long cast-in-situ bored pile is achieved, and it is guaranteed that the position of the pouring interface is accurate; meanwhile, the situation that the monitoring probe is blocked and is difficult to recycle is avoided, and the adaptive capacity of the whole device is greatly improved; continuous measurement of different pouring states and stages is achieved, the real-time monitoring device can feed back position information of a pouring interface in real time, constructors can adjust a construction scheme in time, and the construction quality is ensured.

The invention discloses a novel reinforced concrete prefabricated pipe gallery construction method, relates to the technical field of industrial and civil structure reinforced concrete prefabricated pipe galleries, and solves the technical problems of short construction period and low cost. The method comprises the steps that firstly, concrete beams and columns of the reinforced concrete pipe gallery are split according to a construction drawing and then prefabricated in a prefabrication yard; 2, after construction of the cup foundation is completed, the corresponding prefabricated columns and prefabricated beams are transported to the side of the foundation, the prefabricated columns are hoisted and fixed in the cup foundation, temporary inclined struts are installed, then the prefabricated beams are installed and fixed layer by layer through an elevator or a crank arm vehicle, and formwork clamps are installed at the beam column connecting joints; thirdly, after completion, high-strength-grade non-shrinkage concrete is poured, and therefore the transverse frame without weakening of the integrity is formed; the construction method is simple and easy to operate, and the requirement for the construction technology is not high.

The utility model discloses a cable trench drilling device, which comprises an electric drill, an angle steel bracket, a sliding support rod, a plurality of groups of pulleys, a sliding rail, a movable framework, a rotating shaft, a control rod, a cushion block and a spring, the electric drill is connected with the angle steel bracket, one end of the sliding support rod is connected with the angle steel bracket, and the other end of the sliding support rod is connected with the pulleys. Wherein one group of pulleys are slidably connected with the sliding rail in a matched mode, the other group of pulleys are installed at the top end of the movable framework in a matched mode, the rotating shaft is movably connected with the movable framework, the control rod penetrates through the rotating shaft, one end of the spring is connected with the angle steel bracket, and the other end of the spring is connected with the control rod. The lower half part of the control rod is matched and connected with the cushion block. According to the utility model, the construction difficulty caused by the space limitation of the cable trench is solved, and the problem that the cable bracket is unstable due to the difficulty in inserting an expansion bolt into a hole caused by the deviation of the formed hole due to the non-uniform stress of manual punching is avoided.

The present invention relates to a mine plugging method and structure thereof, which uses roughening and grooving of cave walls, brickwork, temporary water diversion, clay filling, and concrete plugging of wellheads to plug the mine. The present invention sets a clay filling section before the concrete plugging section, and performs interval grooving around the cave wall of the set clay filling section, which can ensure that the filled clay is completely combined with the cave wall to prevent water seepage; to ensure that the clay filling is dense, brickwork is set at both ends of the clay filling section, and the brickwork is tightly attached to the cave wall to prevent seepage. The technical solution of the present invention is safe, reliable, efficient, and fast, and complies with relevant national technical specifications, greatly improving the airtightness and firmness of the plugging of mine water gushing, and eliminating the environmental pollution risk of abandoned mine water gushing.

The invention discloses a connecting structure and a connecting method of an adjustable prefabricated reinforced concrete beam column, a straight thread reverse thread sleeve is directly pre-buried in the prefabricated reinforced concrete beam during factory prefabrication, and no steel bar is exposed at the beam end. The pre-embedded sleeve is reserved on the prefabricated reinforced concrete column, correction of horizontal and vertical installation deviation in the installation process is facilitated, correction of installation deviation in the beam-column connection axis direction is guaranteed through the adjustable connecting piece, and connection length deviation, horizontal deviation and vertical deviation at the joint can be adjusted within a certain range. After a plurality of in-beam longitudinal bars are anchored through the end plates, the in-beam longitudinal bars are converted into a small number of pre-buried straight-thread reverse-thread sleeves, the number of connecting pieces is greatly reduced, and the workload and difficulty of site prefabrication, installation, construction and alignment are remarkably reduced.

The invention provides glass curtain wall high-precision positioning auxiliary installation equipment and method.The glass curtain wall high-precision positioning auxiliary installation equipment comprises a base arranged on a hanging basket, a position adjusting assembly arranged at the bottom of the base, a plurality of suction cups used for fixing an external glass plate, two assembly frames connected with the suction cups correspondingly, and a control frame connected with the two assembly frames; the invention discloses high-precision positioning auxiliary mounting equipment for a glass curtain wall, which comprises a control frame, two assembling frames arranged on the control frame, a clamping assembly arranged on the control frame, two hook rings symmetrically fixed on the control frame, adjusting assemblies arranged on the control frame and the two assembling frames, and a connecting plate hinged on the control frame. The glass plate fixed by the suction cups can be reinforced, the safety of the glass plate during installation is effectively improved, under the control of the position adjusting assembly, the glass plate can be conveniently controlled to be stably and accurately moved and positioned, and the overall installation quality of the glass curtain wall is guaranteed.

The utility model discloses a foot shoe for a cement pouring process of a building floor. The foot shoe comprises a sole, a tiptoe sleeve, a heel sleeve and shoe spikes, each spike comprises a sliding cylinder, a hollow column, a reinforcing semicircular head and a spring, the sliding cylinder is vertically arranged below the sole, the hollow column is arranged on the outer wall of the sliding cylinder in a sleeving mode and is vertically connected to the sliding cylinder in a sliding mode, the reinforcing semicircular head is arranged at the lower end of the hollow column, and the spring is arranged in the hollow column and located between the sliding cylinder and the reinforcing semicircular head. The spikes are arranged on the sole, the spikes are matched with the sole, stable walking of a worker can be guaranteed, steel bars cannot be stepped in a staggered mode, construction quality is guaranteed, meanwhile, due to the fact that the spikes are telescopic, pouring requirements of different thicknesses can be met, the spikes and the sole bear acting force together in the stepping process, and construction efficiency is improved. Meanwhile, it is guaranteed that the shoe sole can make contact with the pouring face all the time, and safety and convenience in the walking process are guaranteed.

The invention discloses a civil engineering crack detecting and repairing device, and belongs to the technical field of road construction, the civil engineering crack detecting and repairing device comprises a moving device, a crack width detector mounted on the front side of the moving device, a hopper arranged on the moving device, and a mixed discharging assembly arranged at the bottom of the hopper, and the moving device can drive the hopper to move linearly; a baffle is arranged in the middle of the hopper and divides the hopper into an asphalt storage cavity and an aggregate storage cavity, a first discharging hole and a second discharging hole which are communicated with the asphalt storage cavity and the aggregate storage cavity are formed in the bottom of the hopper respectively, and control valves are installed in the first discharging hole and the second discharging hole respectively. The crack width detector is used for measuring the civil engineering surface crack width L. According to the device, civil engineering cracks can be repaired in time after being detected, and the measurement and maintenance efficiency of the civil engineering cracks can be improved.

The invention discloses a precast pile stress release hole for a soft soil foundation and a construction method, and the method comprises the following steps: S100, drawing a plane layout diagram of the stress release hole according to the field condition, and carrying out hole site lofting on the plane layout diagram; s200, a site hole site is determined according to the plane layout diagram, after a drilling machine is in place, hole guiding is conducted through the drilling machine, construction is conducted in cooperation with a punching and pulling machine, and a pile casing is buried into the site hole site; s300, a drilling machine is used for conducting rotary excavating and drilling operation in the sequence from slow to fast till the drilled hole reaches the preset depth, and hole completion of the soil hole is achieved; s400, the structure of the stress release unit is optimized according to the hole completion size of the soil hole, and the specific size suitable for the field actual engineering geology is determined; s500, the punching and pulling machine is used for being aligned with the center of the soil hole to hoist the stress releasing unit into the soil hole, and the stress releasing unit is controlled not to float upwards; and S600, the steel casing is slowly pulled out through vibration of a beating and pulling machine, and a cover plate is manufactured through a formwork batten to protect the hole opening of the stress release hole. And the problem of soil squeezing effect of the soft soil foundation is solved.

The invention relates to a pumped storage power station construction inversion method and device based on a BIM model, computer equipment and a readable storage medium. The method comprises the steps that the BIM model of a pumped storage power station is established; inverting the construction process of the pumped storage power station through the BIM model; a three-dimensional digital integration platform is constructed, and the modeling process of the BIM model and the construction process of the pumped storage power station are visualized through the three-dimensional digital integration platform; and carrying out dynamic management on equipment in the pumped storage power station through a radio frequency identification technology and the BIM model. By adopting the method, the construction efficiency can be improved.

The utility model discloses a siphon type roof drain matched with a single-layer flexible roof, which comprises a water collecting hopper, a waterproof coiled material, a fixing ring and a shunting grating cover, the top end of the water collecting hopper radially extends to form a fixed supporting structure, the waterproof coiled material is arranged on the upper side of the fixed supporting structure, and the waterproof coiled material extends out of the fixed supporting structure. A through hole is formed in the position, corresponding to an upper end opening of the water collecting hopper, of the waterproof roll, the fixing ring penetrates through the through hole to be fixedly connected with the water collecting hopper, the fixing ring limits the waterproof roll on the side, away from the fixed supporting structure, of the waterproof roll, an anti-vortex structure is arranged in the fixing ring, and the flow dividing grating covers the fixing ring. The roof drain is better in waterproof performance, and the quality is guaranteed; on-site materials are few, and installation is easy; by the adoption of the assembly type construction technology, the site operation difficulty is lowered, the procedure steps are reduced, the construction efficiency is improved, and the construction quality is guaranteed; installation and maintenance are easy; siphon is generated at the lower water level in front of the bucket, and the load rising hidden danger caused by roof accumulated water can be reduced.

The utility model discloses an independent foundation column template reinforcing device, which is arranged on a foundation column template and used for fastening the foundation column template, and is characterized by comprising a fixed outer frame and an opposite-pulling structure, the fixed outer frame is arranged on the foundation column template and used for fastening the foundation column template, and the opposite-pulling structure is arranged on the fixed outer frame. The opposite-pulling structure is arranged on the fixing outer frames and used for fastening the connection of the fixing outer frames and the foundation column formwork, the fixing outer frames are in a cross shape and are provided with connecting holes, the number of the fixing outer frames is four, and the four fixing outer frames are arranged on the foundation column formwork in a mirror image mode. According to the reinforcing device for the independent foundation column formwork, the fixed outer frame 1 is fastened to the outer side of the foundation column formwork through the split bolts, assembly and disassembly are convenient, reutilization can be achieved, construction is convenient, operation safety is guaranteed, and meanwhile the construction purposes of improving construction efficiency, saving cost and guaranteeing construction quality are achieved.